29005109 has 16 divisors (see below), whose sum is σ = 34195200. Its totient is φ = 24590160.

The previous prime is 29005099. The next prime is 29005117. The reversal of 29005109 is 90150092.

It is a happy number.

It is not a de Polignac number, because 29005109 - 2¹² = 29001013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29005129) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34919 + ... + 35739.

It is an arithmetic number, because the mean of its divisors is an integer number (2137200).

Almost surely, 2^29005109 is an apocalyptic number.

It is an amenable number.

29005109 is a deficient number, since it is larger than the sum of its proper divisors (5190091).

29005109 is an equidigital number, since it uses as much as digits as its factorization.

29005109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 945 (or 931 counting only the distinct ones).

The product of its (nonzero) digits is 810, while the sum is 26.

The square root of 29005109 is about 5385.6391449855. The cubic root of 29005109 is about 307.2497234249.

The spelling of 29005109 in words is "twenty-nine million, five thousand, one hundred nine".